US2550008A - Self-releasing bracket - Google Patents
Self-releasing bracket Download PDFInfo
- Publication number
- US2550008A US2550008A US45839A US4583948A US2550008A US 2550008 A US2550008 A US 2550008A US 45839 A US45839 A US 45839A US 4583948 A US4583948 A US 4583948A US 2550008 A US2550008 A US 2550008A
- Authority
- US
- United States
- Prior art keywords
- prop
- slide
- pin
- opening
- seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
- E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
- E05C17/08—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing with special means for release, e.g. automatic release by further opening
- E05C17/085—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing with special means for release, e.g. automatic release by further opening automatic release by further opening
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/34—Stays or supports for holding lids or covers open
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/28—Extension link
- Y10T292/289—Slotted bar
Definitions
- the main object of the invention is to improve the construction of self locking and releasing props through simplification of the complicated slot and cam systems heretofore used in devices of this type, While adding to the strength, efiiciency and ease of operation and reducing cost of manufacture. Another object is to minimize the amount of lost motion required to effect locking and release of the prop. A further object is to make possible a higher latching position for a given length of prop.
- Figure 1 is a sectional view showing the device of the invention in side view as applied to the closure or lid of a box, the lid being shown as closed and the locking device in idle position;
- Figure 2 is a similar view on a smaller scale showing the device in the position assumed when the lid is about half way to closed position;
- Figures 3, 4, 5 and 6 are detail side views showing the prop locking and releasing means in the several positions assumed upon full opening of the lid and upon subsequent release for closing;
- Figures 7 and 8 are detail sectional views along lines 'i'i and B8 of Figure 1;
- Figure 9 is a view similar to Figure 2 showing a modified form of the device.
- Figures 10 and 11 are detail side views showing the positions of parts when locked, and in the course of being released.
- a lid support or prop 10 preferably formed from a flat strip of metal of suitable stillness and strength.
- This prop is pivoted at its upper end, as at H, to a lug or ear 12 secured to the under side of a hinged cover or lid [3 and is provided with a longitudinal slot l4 forming a guideway in free engagement with a fixed cylindrical projection or pin [5 on the inside wall of the box Hi to which the lid [3 is hinged.
- the prop I0 carries a cam slide 11 in frictional engagement therewith, Which slide is preferably formed from thin sheet metal with ends folded over to resiliently embrace and frictionally grip the edges of prop H], as shown in Figure 8.
- the slide is formed with a generally triangular opening comprising a vertical portion I8 in parallel alignment with the slot M in the prop and receiving the pin l5, and with a lateral inward extension [9 overlying the prop and having an upper diagonal cam edge 20 merging with a lower shoulder 2
- the slot [4 in prop l 0 is approximately doubled in width for a short distance at its lower end to form the lateral extension 22, the upper and lower ends 23 and 24 of which are rounded to form opposed seats adapted to receive pin 15 at certain times in complemental mechanical rela tion with cam slide [1.
- a depression may be struck in the metal of the slide at 25 to form a nib on its under side ( Figure 8) adapted to.
- the configuration of the opening in slide H is' such that when the prop has had its full range of initial movement upwardly on pin [5 ( Figure 3), the slide, which has been correspondingly moved downward, will remain capabl of being moved further down the prop, by supplemental movement, for a short distance, i. e., the fraction of an inch in commercial structures.
- a prop Illa is shown as pivotally connected at Ha to an 7 ear Ila of a tiltable hinged lid I311.
- the prop is formed with a longitudinal slot or guide ta engaging fixed pin We and a cam slide Ha on the prop has a triangular opening a portion of which registers with the slot and also receives the pin 5a.
- the opening in the cam slide has the diagonal cam edge a in its upper edge and its lower edge presents two transversely aligned seats 28 and 29.
- the lower end of slot Ma is formed with an angular turn providing a shoulder 36 lyin adjacent a laterally offset prolongation 3], formed by a second angular turn of the slot, the upper end of this turn forming a shoulder 32.
- the slide may be provided with a depression at a forming a, nib adapted to .engage complemental depressions 26a and 21a on the lower end of the prop.
- a device of the class described comprising a base, a member hinged thereon, a lock pin on the base, and a prop pivoted to said member and provided with a longitudinally extending pin receiving slot formed with angular turns at its lower end terminating in a short parallel inwardly offset prolongation of the main slot forming vertically opposed upper and lower pin seats, a cam slide on the prop having a substantially triangular opening, said opening comprising a straight vertical portion extending in parallel alignment with the pin receiving slot in the prop and normally receiving the pin and an inward extension overlying the prop and positioned to register with the said opposed seats when the slide is at the lower end of the prop, said inward extension of the slide opening having an upper diagonal cam edge merging into a lower edge shaped to provide two adjacent pin seats one of which forms the lower end of the vertical portion of the triangular opening in the slide and the other of which is positioned to .be moved into registration with the lower pin seat in the prolongation of the prop slot, the pin seat at the lower end of the vertical portion of the slide
- Adevice of the class described comprising a base, a member hinged thereon, a prop pivoted to said member and provided with a longitudinal slot, a lock pin on the base, and a cam slide on the prop having a substantially triangular opening, said opening comprising a straight vertical portion extending in parallel alignment with one edge of said slot and normally receiving the pin and an inward extension overlying the prop, said opening having an upper.
- the longitudinal slot in the prop being formed with an enlarged opening in its lower end presenting vertically opposed upper and lower pin seats adapted to register with the end of the inward extension of the opening in the slide whensame is at the lower end of the prop, the lower end of the straight vertical portion of the slide opening serving to bring the lock pin into contact with the lower end of the slot in the prop to limit the main upward movement of the prop and the corresponding downward movement of the slide thereon, the inward extension of the slide opening exposing the upper pin seat in the prop opening at the limit of said main movement, whereby the prop can then drop by gravity to bring said seat on the pin in locked relation, and whereby subsequent supplemental upward movement of the prop will break said locked relation and bring the before-mentioned seat in the lower edge of the slide opening into contact with the pin and further move the slide to bring the diagonal cam edge below said upper seat in the prop opening
- a device of the class described comprising a base, a member hinged thereon, a prop pivoted to said member, a lock pin on the base, and a cam slide on the prop having a substantially triangular opening, said opening comprising a straight vertical portion extending in parallel alignment with the prop and normally receiving the pin and an inward extension overlying the prop and having an upper diagonal cam edge merging into a lower edge formed to provide adjacent inner and outer pin seats, said prop being formed with an opening in its lower end presenting vertically opposed upper and lower pin seats adapted to register with the inward end of the extension of the opening in the slide and with a second pin seat on its lower edge adapted to register with the straight vertical portion of the opening in the slide, the lower end of the straight vertical portion of the slide opening serving to bring the lock pin into contact with said second pin seat in the prop opening to limit the main upward movement of the prop and the corresponding downward movement of the slide thereon, the inner lower seat on the slide being positioned to remain in upward spaced relation to the inner lower seat on the prop at said limit
- a self-locking and releasing connection comprising the combination of a base, a member hinged on the base for tilting movement, a prop pivoted on the member, a lock pin on the base, and a cam slide on the prop having a substantially triangula opening, said opening comprising a vertical portion extending longitudinally of the prop and normally receiving the pin and an inward extension having an upper diagonal cam edge merging into a lower edge formed to provide adjacent inner and outer pin seats, said prop being formed with an opening in its lower end presenting vertically opposed upper and lower pin seats adapted to register with the inward end of the extension of the opening in the slide and with a second pin seat on its lower edge adapted to register with the vertical portion of the opening in the slide, the lower end of said vertical portion of the slide opening serving to bring the lock pin into contact with said second pin seat in the prop opening to limit the main upward movement of the prop and the corresponding downward movement of the slide thereon, the inner lower seat on the slide being positioned to remain in upward spaced relation to the inner lower seat on the prop at
Description
April 24, 1951 FREEMAN 2,550,008
SELF-RELEASING BRACKET 2 Sheets-Sheet 1 Filed Aug. 24, 1948 INVENTOR. 4N7'0/V) fbsi/w/v ATTOP/VFYi April 24, 1951 A. P. FREEMAN 2,550,008
SELF-RELEASING BRACKET Filed Aug. 24, 1948 2 Sheets-Sheet 2 INVENTOR. A rowr 2 FFEFMA/V BY ATTOF/Vi/i I atented Apr. 24, 1951 UNITED STATES PATENT OFFICE SELF-RELEASING BRACKET Antony P. Freeman, San Francisco, Calif.
Application August 24, 1948, Serial No. 45,839
4 Claims. (01. 21'760) The present invention relates to closure supports and more particularly to the self locking and releasing type of props such as used in connection with the hinged tops or covers of cabinets, boxes and the like where it is desired to support the cover in open position at times.
The main object of the invention is to improve the construction of self locking and releasing props through simplification of the complicated slot and cam systems heretofore used in devices of this type, While adding to the strength, efiiciency and ease of operation and reducing cost of manufacture. Another object is to minimize the amount of lost motion required to effect locking and release of the prop. A further object is to make possible a higher latching position for a given length of prop. Other objects and advantages will be apparent in the details of construction hereinafter described and illustrated in the accompanying drawing showing certain preferred embodiments of the invention claimed.
In said drawings:
Figure 1 is a sectional view showing the device of the invention in side view as applied to the closure or lid of a box, the lid being shown as closed and the locking device in idle position;
Figure 2 is a similar view on a smaller scale showing the device in the position assumed when the lid is about half way to closed position;
Figures 3, 4, 5 and 6 are detail side views showing the prop locking and releasing means in the several positions assumed upon full opening of the lid and upon subsequent release for closing;
Figures 7 and 8 are detail sectional views along lines 'i'i and B8 of Figure 1;
Figure 9 is a view similar to Figure 2 showing a modified form of the device; and
Figures 10 and 11 are detail side views showing the positions of parts when locked, and in the course of being released.
In the embodiment of the invention illustrated on the drawings, there is provided a lid support or prop 10 preferably formed from a flat strip of metal of suitable stillness and strength. This prop is pivoted at its upper end, as at H, to a lug or ear 12 secured to the under side of a hinged cover or lid [3 and is provided with a longitudinal slot l4 forming a guideway in free engagement with a fixed cylindrical projection or pin [5 on the inside wall of the box Hi to which the lid [3 is hinged. The prop I0 carries a cam slide 11 in frictional engagement therewith, Which slide is preferably formed from thin sheet metal with ends folded over to resiliently embrace and frictionally grip the edges of prop H], as shown in Figure 8. As best seen in Figure 1, the slide is formed with a generally triangular opening comprising a vertical portion I8 in parallel alignment with the slot M in the prop and receiving the pin l5, and with a lateral inward extension [9 overlying the prop and having an upper diagonal cam edge 20 merging with a lower shoulder 2| located a distance above the lower end of vertical portion I8 at least equal to the distance which slide I! must move in order to prevent pin [5 from effectively engaging the seat 23 as hereinafter described.
The slot [4 in prop l 0 is approximately doubled in width for a short distance at its lower end to form the lateral extension 22, the upper and lower ends 23 and 24 of which are rounded to form opposed seats adapted to receive pin 15 at certain times in complemental mechanical rela tion with cam slide [1.
To assure proper frictional resistance to movement of slide I! on prop l0 during its locking and releasing movements, a depression may be struck in the metal of the slide at 25 to form a nib on its under side (Figure 8) adapted to.
The configuration of the opening in slide H is' such that when the prop has had its full range of initial movement upwardly on pin [5 (Figure 3), the slide, which has been correspondingly moved downward, will remain capabl of being moved further down the prop, by supplemental movement, for a short distance, i. e., the fraction of an inch in commercial structures. Having this in View, it will be evident that when the prop is moved to the position of Figure 3 by full opening of the lid, a slight reverse movement will cause the prop to drop by gravity thereby causing pin Hi to enter the lateral enlargements l9 and 22 in the slide and prop respectively, which are then in registration, whereupon releas of the lid will allow pin E5 to engage seat 23 (Figure 4) to lock and support the lid in raised position. At this position the nib in the slide at 25 will be in engagement with the upper seat 26 on the prop to yieldably hold it against further movement.
When it is desired to release the prop lock to close the lid, a slight upward movement of the lid and prop ill will bring the pin [5 into contact with shoulder 2| on the slide causing it to be moved downward on the prop to the position of Figure 5 at which time the nib at 25 will engage the lower depression 2! in the prop. In this position the diagonal cam edge 20 will have been moved to a position just below seat 23 and subsequent lowering movement of the lid and prop will cause the cam edge 20 to ride on pin (Figure 6) thereby bringing pin IE to the upper angle of the triangular opening in the slide and into alignment with slot 14 of the prop. Further movement, or the weight of the lid, will then cause sleeve H to release and move up the prop to the initial position of Figure 1.
In the modification of Figures 9 to 11 a prop Illa is shown as pivotally connected at Ha to an 7 ear Ila of a tiltable hinged lid I311. The prop is formed with a longitudinal slot or guide ta engaging fixed pin We and a cam slide Ha on the prop has a triangular opening a portion of which registers with the slot and also receives the pin 5a. In this species of the invention the opening in the cam slide has the diagonal cam edge a in its upper edge and its lower edge presents two transversely aligned seats 28 and 29. .The lower end of slot Ma is formed with an angular turn providing a shoulder 36 lyin adjacent a laterally offset prolongation 3], formed by a second angular turn of the slot, the upper end of this turn forming a shoulder 32. The slide may be provided with a depression at a forming a, nib adapted to .engage complemental depressions 26a and 21a on the lower end of the prop.
With this species upward movement of the prop as the lid is raised will cause the slide to move down on the prop until pin I511 contacts shoulder 30, and slight reverse movement of the prop will have caused it to drop by gravity on pin i5a bringing it into contact with shoulder 32 where it will support the lid in open position as shown in Figur 1 0. To effect release, a slight upward movement of the prop by lifting the lid will cause pin We to engage seat 29 of the slide 3 and move it down as pin l5a moves in slot prolongation 3|.
The slide will then be in the position of Figure ll with the diagonal cam edge 25a below seat 32. On subsequent downward movement of the prop the edge 26a will'ride on pin I50, and raise the prop to align the pin with the slot Ma allowing the lid to close. In the positions of Figures 10 and 11 the slide is yieldably held in its positions by frictional engagement of the nib at 25c with the depressions 26a and 21a respectively. I
It willbe evident that the construction described has the advantage of simplicity of parts including the slot configurations and seats employed to effect locking and release of the prop. These are such that movements of the slide on the prop and with relation to the support pin necessary to effect locking and release are reduced to a minimum as they are limited to the distance from the lower end of opening 13 in the V slide to the seat 23 on the prop when locking open, and to the short distanc from seat 23 to seat 24 when releasing to close (Figures 3 to 6). The same is true with respect to the modification of Figures 9 to 11, as the relative arrangement of pin seats in both forms is such that the inner pin seat on the slide (2|, Figures 1-6 and 29, Figure; 9-11) remains in upward spaced relation to the inner seat (2,4, 31) in the prop opening at the limit of main upward movement of the prop. It will also be evident that the impact of the pin at the limit of both main and supplemental upward movement of the prop is received by the prop at the lower end and not by the more fragile slide. Moreover, substantially the full length of ill) the prop is made use of during opening and c1osing of the lid and therefore a prop of given length ,will allow wider opening of the lid than in previous known devices of its type.
The improvements embodying the invention as herein disclosed are obviously capable of other modifications without departing from the scope thereof as defined in the following claims.
What is claimed is:
1. A device of the class described comprising a base, a member hinged thereon, a lock pin on the base, and a prop pivoted to said member and provided with a longitudinally extending pin receiving slot formed with angular turns at its lower end terminating in a short parallel inwardly offset prolongation of the main slot forming vertically opposed upper and lower pin seats, a cam slide on the prop having a substantially triangular opening, said opening comprising a straight vertical portion extending in parallel alignment with the pin receiving slot in the prop and normally receiving the pin and an inward extension overlying the prop and positioned to register with the said opposed seats when the slide is at the lower end of the prop, said inward extension of the slide opening having an upper diagonal cam edge merging into a lower edge shaped to provide two adjacent pin seats one of which forms the lower end of the vertical portion of the triangular opening in the slide and the other of which is positioned to .be moved into registration with the lower pin seat in the prolongation of the prop slot, the pin seat at the lower end of the vertical portion of the slide opening bringing the lock pin'into contact with the lower end of the main slot in the prop to limit the main upward movement of the prop and the corresponding downward movement of the slide thereon, the inward extension iii the slide opening exposing the upper seat in the 'ofiset prop slot prolongation at the limit of said main movement, whereby the prop can then drop by gravity to bring said seaton the pin to lock the prop in extended position and whereby subsequent supplemental upward movement of the prop will bring the pin into contact with the inner pin seat on the slide to further move the slide down on the prop and bring the diagonal cam edge below said upper seat, thereby permitting free reverse movements of the prop and slide.
2. Adevice of the class described comprising a base, a member hinged thereon, a prop pivoted to said member and provided with a longitudinal slot, a lock pin on the base, and a cam slide on the prop having a substantially triangular opening, said opening comprising a straight vertical portion extending in parallel alignment with one edge of said slot and normally receiving the pin and an inward extension overlying the prop, said opening having an upper. diagonal cam edge merging into a lower edge shaped to provide a pin seat adjacent the lower end of said diagonal cam edge and above the lower end of the straight vertical portion of said slide opening, the longitudinal slot in the prop being formed with an enlarged opening in its lower end presenting vertically opposed upper and lower pin seats adapted to register with the end of the inward extension of the opening in the slide whensame is at the lower end of the prop, the lower end of the straight vertical portion of the slide opening serving to bring the lock pin into contact with the lower end of the slot in the prop to limit the main upward movement of the prop and the corresponding downward movement of the slide thereon, the inward extension of the slide opening exposing the upper pin seat in the prop opening at the limit of said main movement, whereby the prop can then drop by gravity to bring said seat on the pin in locked relation, and whereby subsequent supplemental upward movement of the prop will break said locked relation and bring the before-mentioned seat in the lower edge of the slide opening into contact with the pin and further move the slide to bring the diagonal cam edge below said upper seat in the prop opening, thereby permitting free reverse movements of the prop and slide.
3. A device of the class described comprising a base, a member hinged thereon, a prop pivoted to said member, a lock pin on the base, and a cam slide on the prop having a substantially triangular opening, said opening comprising a straight vertical portion extending in parallel alignment with the prop and normally receiving the pin and an inward extension overlying the prop and having an upper diagonal cam edge merging into a lower edge formed to provide adjacent inner and outer pin seats, said prop being formed with an opening in its lower end presenting vertically opposed upper and lower pin seats adapted to register with the inward end of the extension of the opening in the slide and with a second pin seat on its lower edge adapted to register with the straight vertical portion of the opening in the slide, the lower end of the straight vertical portion of the slide opening serving to bring the lock pin into contact with said second pin seat in the prop opening to limit the main upward movement of the prop and the corresponding downward movement of the slide thereon, the inner lower seat on the slide being positioned to remain in upward spaced relation to the inner lower seat on the prop at said limit of movement, the inward extension of the slide opening exposing the upper pin seat in the prop opening as said limit of movement of the slide is reached, whereby the prop can then drop by gravity to bring said upper seat on the pin in locked relation, and whereby subsequent-supplemental upward movement of the prop will break said locked relation and bring the inner seat in the lower edge of the slide opening into contact with the pin and further move the slide to bring the diagonal cam edge below the upper seat of the prop opening, thereby permitting free reverse movements of the prop and slide.
4. A self-locking and releasing connection comprising the combination of a base, a member hinged on the base for tilting movement, a prop pivoted on the member, a lock pin on the base, and a cam slide on the prop having a substantially triangula opening, said opening comprising a vertical portion extending longitudinally of the prop and normally receiving the pin and an inward extension having an upper diagonal cam edge merging into a lower edge formed to provide adjacent inner and outer pin seats, said prop being formed with an opening in its lower end presenting vertically opposed upper and lower pin seats adapted to register with the inward end of the extension of the opening in the slide and with a second pin seat on its lower edge adapted to register with the vertical portion of the opening in the slide, the lower end of said vertical portion of the slide opening serving to bring the lock pin into contact with said second pin seat in the prop opening to limit the main upward movement of the prop and the corresponding downward movement of the slide thereon, the inner lower seat on the slide being positioned to remain in upward spaced relation to the inner lower seat on the prop at said limit of movement, the inward extension of the slide opening exposing the upper pin seat in the prop opening as said limit of movement of the slide is reached, whereby the prop can then drop by gravity to bring said upper seat on the pin in locked relation, and whereby subsequent supplemental upward movement of the prop will break the locked relation and bring the inner seat in the lower edge of the slide opening into contact with the pin and further move the slide to bring the diagonal cam edge of said opening below the upper seat of the prop opening, thereby permitting free reverse movements of the prop and s ide.
ANTONY P. FREEMAN.
REFERENCES CITED UNITED STATES PATENTS Name Date Nicol Oct. 8, 1918 Number
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US45839A US2550008A (en) | 1948-08-24 | 1948-08-24 | Self-releasing bracket |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US45839A US2550008A (en) | 1948-08-24 | 1948-08-24 | Self-releasing bracket |
Publications (1)
Publication Number | Publication Date |
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US2550008A true US2550008A (en) | 1951-04-24 |
Family
ID=21940154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US45839A Expired - Lifetime US2550008A (en) | 1948-08-24 | 1948-08-24 | Self-releasing bracket |
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US (1) | US2550008A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2971670A (en) * | 1957-03-11 | 1961-02-14 | J A Wilson Lighting & Display | Lighting fixture |
US3337253A (en) * | 1966-01-24 | 1967-08-22 | Bell Telephone Labor Inc | Lid support |
EP0391238A2 (en) * | 1989-04-07 | 1990-10-10 | Deere & Company | Means for holding a pivoting panel |
US5765268A (en) * | 1997-03-28 | 1998-06-16 | Casket Shells, Incorporated | Casket lid support |
US20120260476A1 (en) * | 2010-08-16 | 2012-10-18 | Bruce Burnside | Ecologically friendly, furniture quality casket |
US10954704B2 (en) * | 2016-08-25 | 2021-03-23 | Greenlee Tools, Inc. | Door stop mechanism for holding a door of an enclosure in an open position |
US11326376B2 (en) * | 2018-07-06 | 2022-05-10 | The Durham Co. | Roof support system for an electrical distribution system enclosure |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1281060A (en) * | 1915-05-26 | 1918-10-08 | Berbecker & Rowland Mfg Co | Support. |
-
1948
- 1948-08-24 US US45839A patent/US2550008A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1281060A (en) * | 1915-05-26 | 1918-10-08 | Berbecker & Rowland Mfg Co | Support. |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2971670A (en) * | 1957-03-11 | 1961-02-14 | J A Wilson Lighting & Display | Lighting fixture |
US3337253A (en) * | 1966-01-24 | 1967-08-22 | Bell Telephone Labor Inc | Lid support |
EP0391238A2 (en) * | 1989-04-07 | 1990-10-10 | Deere & Company | Means for holding a pivoting panel |
EP0391238A3 (en) * | 1989-04-07 | 1991-08-07 | Deere & Company | Means for holding a pivoting panel |
US5071180A (en) * | 1989-04-07 | 1991-12-10 | Deere & Company | Arresting device for a hinged component |
US5765268A (en) * | 1997-03-28 | 1998-06-16 | Casket Shells, Incorporated | Casket lid support |
US20120260476A1 (en) * | 2010-08-16 | 2012-10-18 | Bruce Burnside | Ecologically friendly, furniture quality casket |
US10954704B2 (en) * | 2016-08-25 | 2021-03-23 | Greenlee Tools, Inc. | Door stop mechanism for holding a door of an enclosure in an open position |
US11326376B2 (en) * | 2018-07-06 | 2022-05-10 | The Durham Co. | Roof support system for an electrical distribution system enclosure |
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